<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        input{
            width: 800px;
            height: 50px;
            font-size: 2em;
            margin: 0 auto;
            background-color: #c7ae99;
            border: #979797 2px solid;
        }
        input:focus{
            background-color: #f7dabf;
            outline: 2px;
            border: #000 3px solid;
        }
    </style>
</head>
<body>
    <input type="text">

</body>
</html>